When a cell phone company causes your phone to receive data at an incredibly slow speed as a means of forcing you to use less bandwidth and data. It is reported that AT&T and Verizon are among the companies that engage in this practice.

When a hot woman passes by, or if anyone sees a hot chick, you yell throttle to inform everyone you would fuck her. Also, jokingly used on fat/ugly chicks. The great thing about throttle is that no women know what it means, so you can say it straight to their face and they will have no clue.